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madhan ravi


Last seen: Today
3.478 total contributions since 2018

Communication through MATLAB is always better than arguing.

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Answered
not enough input arguments
<https://www.mathworks.com/help/matlab/matlab_prog/run-functions-in-the-editor.html>

1 día ago | 0

Answered
Numbering table and selecting value
Try replacing Name==result with strcmp(crossSectionInfo.Name,result)

1 día ago | 0

Answered
How to replace the 5 in my vector with decreasing numbers like 5,4,3,2,1
Z=num2cell(x); Z(cellfun(@(zx)zx==5,Z))={5:-1:1} celldisp(Z)

1 día ago | 0

Answered
plotting with respect to time
C1=x0; C2=x_dot+Wn*x0; x = @(t) (C1+C2*t)*exp(-Wn*t) fplot(x,[0,10])

1 día ago | 0

| accepted

Answered
How to combine two cell arrays?
newcellarray = [cellarray2,cellarray1]

3 días ago | 0

| accepted

Answered
Storing double output into a single cell array
zeros() to cell() and A{n,k} = selectedlocal

3 días ago | 1

| accepted

Answered
How to find the element of a number if that number were to be placed in an ordered list?
Between = [find(ismember(list1,fix(2.5))), find(ismember(list1,ceil(2.5)))]

3 días ago | 0

Answered
How to solve for T2? it is giving an error when I try solve
syms T2 TempCumene = vpasolve ((((281.4749/3600)*Cp_b)*(T2-414.95) == Q_b),T2) %temp for cumene outlet in K

3 días ago | 0

| accepted

Answered
How to create an integral function? Trying to solve Cp_b between 2 numbers
clear all %%Calculate Benzene Duty Q %From Perry's table 2-153 values for Benzene C1_b = 162940; %in J/kmol*K C2_...

3 días ago | 0

Answered
Help me pls I don't know matlab
<https://www.mathworks.com/matlabcentral/answers/297463-how-to-create-an-mxn-matrix-with-a-for-loop#accepted_answer_230016>

3 días ago | 0

Answered
Log scale x axis?
set(gca, 'XScale','log') % at the end To turn off the warning simply use dots before arithmetic operators .^ .* ./

3 días ago | 0

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Answered
Why is this so slow?
Instead of loop why not simply use *cumsum()* ?

4 días ago | 0

| accepted

Answered
How to store " first_element " values?
A = [ 1 1 1 1 2 3 4 4 4 ; 1 2 3 4 5 5 5 5 5]; [first_element,end_element] = deal(zeros(size(A,1),1)); % preallocate for k = 1:...

4 días ago | 1

| accepted

Answered
Why can't a variable holding an equation be used to make a function handle?
I would simply use matlabFunction() as sir Walter says but maybe you have the follwing in mind: func = @(x) eqn(x)

4 días ago | 0

| accepted

Answered
My function will not work to calculate the 'Cumene inlet temperature' section
func= (Mc*Cp(T))*(T-T1) - (Qb)

5 días ago | 0

| accepted

Answered
join cell arrays together
cellstr(string(x)+string(y))

5 días ago | 0

| accepted

Answered
Undefined function 'cos' for input arguments of type 'tf'.
syms s % forgot to add this part theta1=((3/8)*pi)+((1/8)*pi*cos(((pi/.3)*s)+(pi/16))); theta1s=laplace(theta1);

5 días ago | 1

Answered
Why is this if statement does not work?
Because they are float numbers, reading the below links might help you better about floating numbers: https://www.mathworks.com...

5 días ago | 0

| accepted

Answered
Select values from cell array with condition using cellfun
A(cellfun(@(x) all(all(x>-6 & x<6)), A)) % for versions 2018b>= usage of all() would be all(...,[1,2])

6 días ago | 0

Answered
int and subs function
Run: which subs -all which error -all In command window and paste the output here. It looks like you have a script na...

9 días ago | 0

| accepted

Question


Using least squares to find the x intercept.
I have a set of data points which represent the IV characteristics of a diode. I'm confused on how to get the threshold voltage ...

alrededor de 2 meses ago | 1 answer | 0

1

answer

Question


Symbolic differentiation with respect to first derivative
Is it possible to make a derivative of an equation with respective to the first derivative . Illustration: syms x(t) eq...

alrededor de 2 meses ago | 1 answer | 0

1

answer

Answered
Error using fsurf (too many functions) but success using ezsurf
Just vectorize the function and use function handles. To learn the proper usage of the functions that get you into a dilemma is ...

3 meses ago | 0

| accepted

Answered
Error: Unbalanced or unexpected parenthesis or bracket
I think name is variable, it's simply (there is no need for eval): x = name(:,1); y = name(:,2); z = name(:,3);

4 meses ago | 0

| accepted

Question


How to read this file in MATLAB?
I am having trouble reading the datas.

4 meses ago | 2 answers | 0

2

answers

Answered
Indexing a Matrix with a for loop
for ii = 1:numel(z) % don't name variables i or j (because they are interpreted as imaginary numbers by default)

4 meses ago | 1

| accepted

Answered
Delete element of an array on the basis of other arrays
U = T(Y>SETT)

4 meses ago | 0

| accepted

Answered
How to enter this function
https://www.mathworks.com/help/matlab/learn_matlab/desktop.html

5 meses ago | 0

Answered
Help on text and colours
https://in.mathworks.com/help/matlab/ref/matlab.graphics.chart.primitive.line-properties.html https://in.mathworks.com/help...

5 meses ago | 0

Answered
How can I combine all the column vectors in to one column vector
Don’t name variables , if you would have all the vectors as cells it would have been much easier. X =[x1,x2...,xn] Xmean...

5 meses ago | 0

| accepted

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